Mangelsen's owner Matt Mangelsen demonstrates the Webcaster. The Webcaster sprays cobwebbing used on many movie and tv shows since Mangelsen and his brother, David Mangelsen, created and patented the ...
Spiders have some competition in web design, all because of the ingenuity of two Omaha brothers. Tinkering in the back room of the Mangelsen's store, Matt and David Mangelsen produced a gadget that ...
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